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Oracle » Monitoring » Tools »

List table blocks, empty blocks, extent count, and chain block count

     




SELECT blocks as BLOCKS_USED, empty_blocks
FROM dba_tables
WHERE table_name=TNAME;

SELECT chain_cnt AS CHAINED_BLOCKS
FROM dba_tables
WHERE table_name=TNAME;

SELECT COUNT(*) AS EXTENT_COUNT
FROM dba_extents
WHERE segment_name=TNAME;









Oracle : Related Topics

Oracle : Monitoring : What is going on in the database?
Oracle : Monitoring : Version information
Oracle : Monitoring : List free and used space in database
Oracle : Monitoring : List session information
Oracle : Monitoring : List names and default storage parameters for all tablespaces
Oracle : Monitoring : List information about tablespace to which datafiles belong
Oracle : Monitoring : List data file information
Oracle : Monitoring : List tablespace fragmentation information
Oracle : Monitoring : Check the current number of extents and blocks allocated to a seg
Oracle : Monitoring : Extent information
Oracle : Monitoring : Extent information for a table
Oracle : Monitoring : List segments with fewer than 5 extents remaining
Oracle : Monitoring : List segments reaching extent limits
Oracle : Monitoring : Information about all rollback segments in the database
Oracle : Monitoring : Statistics of the rollback segments currently used by instance
Oracle : Monitoring : Active sorts in instance
Oracle : Monitoring : Index & constraint information
Oracle : Monitoring : List tables and synonyms
Oracle : Monitoring : Constraint columns
Oracle : Monitoring : Constraint listing
Oracle : Monitoring : Indexed column listing
Oracle : Monitoring : Trigger listing
Oracle : Monitoring : Tuning: library cache
Oracle : Monitoring : Tuning: data dictionary cache
Oracle : Monitoring : Tuning: buffer cache
Oracle : Monitoring : Tuning: sorts
Oracle : Monitoring : Tuning: rollback segments
Oracle : Monitoring : Tuning: physical file placement
Oracle : Monitoring : Archive Log Mode Status
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Oracle : Monitoring : A Simple Monitoring Tool
Oracle : Monitoring : Connection Errors
Oracle : Monitoring : List Space Allocated by Table
Oracle : Monitoring : Tablespace types, and availability of data files
Oracle : Monitoring : List sessions with active transactions
Oracle : Monitoring : Tuning: dynamic extension
Oracle : Monitoring : Check the extents for a given segment
Oracle : Monitoring : Explain Plan: syntax

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